Know what the pack weighs, and why.
Base weight excludes food, water, fuel and worn items. The ultralight and lightweight labels are community conventions without a governing standard. A lower number is not automatically safer or better: the right kit depends on the route, season and the people carrying it.
Model details & unit conventions ↗Base weight is pack gear without food, water or fuel. Learn what counts, how skin-out weight differs, and a worked ledger reaching 5,700 g.
The Pandolf equation estimates walking energy with a pack. A 75 kg walker with 12 kg at 4 km/h on a 3% grade uses about 327 kcal in one hour.
Related toolsLoaded milesTrail timeFood carry